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“ Glucose ingestion may facilitates entry of tryptophan (TRP), the unique source of brain serotonin, into the brain, glucose’s action seems to be opposite of rapid TRP depletion.”
“In this issue of Free Radical Biology and Medicine, Chetyrkin and colleagues [8] demonstrate that high levels of glucose can cause specific oxidative modification of tryptophan residues in lysozymes, thus inhibiting their activity.”
Free radical biology & medicine • 2008 | View Paper
“The addition of increasing concentrations of glucose (0 to 110 mM) reduced the formation of both skatole and indole from L-tryptophan and resulted in the accumulation of IAA.”
Medical science monitor : international medical journal of experimental and clinical research • 2019 | View Paper
“In this study, optimization of medium components by response surface methodology showed that tryptone and yeast extract concentrations had the most significant effects on lipid and biomass production; significant synergistic interactions between glucose and tryptone concentration on these responses were also recorded.”
“ Glucose , CB and phloretin can quench the fluorescence of tryptophan residues in the glucose transporter 1, GLUT1.”
“The transfer tendency of tryptophan residues from the hydrophilic environment to the hydrophobic environment was decreased in patient ghosts as binding with glucose , and the opposite tendency appeared as CB and phloretin instead of glucose.”
Journal of neural transmission. Supplementum • 1979 | View Paper
“The addition of soybean protein, tryptone , peptone, and maize zein had positive effects on glucose release during the hydrolysis, with gains of up to 36% when 8% (w/w) soybean protein was used.”
“Addition of glucose and an increase in yeast extract and/or tryptone to a Hungate's medium favoured fungal production of volatile fatty acids, which could be just a consequence of more organic matter available to digest.”